package com.ljl.headfirst.ch4;

public class XCopy {
	
	public static void main(String [] args){
		
		int orig = 42;
		
		XCopy x = new XCopy();
		
		int y = x.go(orig);
		
		System.out.println(orig + " " +y);	
		
	}
	
	int go(int arg){
		
		
		arg = arg *2;
		return arg;
	}

}
